Home / 1,008,588,617.12-1,513,342,607.60-517,646,647.15

Finding the Fourth Proportional to 1,008,588,617.12, 1,513,342,607.60 and 517,646,647.15

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Solution

The fourth proportional to 1,008,588,617.12, 1,513,342,607.60 and 517,646,647.15 is: 776,705,897.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,588,617.12 : 1,513,342,607.60 = 517,646,647.15 : x
  2. Step 2: Convert to fraction form
    1,008,588,617.12/1,513,342,607.60 = 517,646,647.15/x
  3. Step 3: Cross multiply
    1,008,588,617.12x = 1,513,342,607.60 × 517,646,647.15
  4. Step 4: Simplify right side
    1,008,588,617.12x = 783,376,726,810,888,832
  5. Step 5: Solve for x
    x = 783,376,726,810,888,832/1,008,588,617.12
  6. Step 6: Final answer
    x = 776,705,897.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.